CVE-2026-74997: falha de alta gravidade em Roundcube Webmail
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.8epss 0.8%
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmd_learn driver of the markasjunk plugin is subject to remote code execution via crafted placeholder replacement values. This issue only affects Roundcube instances using the markasjunk plugin with its cmd_learn driver.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Roundcube · WebmailCVEs relacionadas — Roundcube Webmail
No mesmo produto, das mais perigosas para as menos.
Referências
https://github.com/roundcube/roundcubemail/commit/14044f843cfacbe78b042f659e379d6b4497aa7chttps://github.com/roundcube/roundcubemail/commit/495d211638f222336b20f4744545c53712426c2ahttps://github.com/roundcube/roundcubemail/commit/b8f90e28a46d42e79a69568cba897f8f4223d9cdhttps://github.com/roundcube/roundcubemail/releases/tag/1.6.18https://github.com/roundcube/roundcubemail/releases/tag/1.7.3https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3